Enrichment of the Intergalactic Medium by the Milky Way Subgroup
Leticia Carigi
Abstract
I study the effect of the galaxies of the Milky Way subgroup on the chemical enrichment of the diffuse gas within the Local Group. The preferred model predicts that the present-day intergalactic medium mass is 1/22 of the initial baryonic mass and its metallicity is 1/20 Z. Nearly 80 % of intergalactic metals were produced in the Galactic bulge.
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